Is Teeth Whitening Safe?
 
  Teeth whitening can help boost anyone’s smile and successfully give  long-lasting results when carried out professionally; visiting the best cosmetic dentist in London   can help. But certain over-the-counter and illegal whitening products  are readily available that can cause pain and various other problems.  Give this article a further read to know whether you should go further  with a teeth whitening treatment.     How does teeth whitening work?     Custom-fit whitening trays are the most common method of professional  teeth whitening. A cosmetic dentist would either take a digital scan of  your teeth or take an impression, and a dental technician will then  fabricate your trays. The dentist will provide you with a whitening kit  containing syringes of whitening gel. This will have hydrogen or  carbamide peroxide.      These products are only licensed for prescription by dental  professionals and are not present in over-the-counter kits you might  find in the supermarket!...